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Prothrombin factor complex

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https://www.readbyqxmd.com/read/28339903/usage-pattern-of-4-factor-prothrombin-complex-concentrate-in-a-tertiary-care-center
#1
Virginia Duncan, Lance A Williams, Marisa B Marques
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28335637/reversing-the-anticoagulation-effects-of-dabigatran
#2
William E Dager, Linda Banares
The standard of care for oral anticoagulation therapy has primarily been warfarin, which is limited by its indirect mechanism-of-action, variable kinetics, tolerability, and routine monitoring concerns. The direct-acting oral anticoagulants (DOACs) have predictable pharmacokinetics and pharmacodynamics, and improved safety and efficacy compared to warfarin for the prevention of stroke in patients with nonvalvular atrial fibrillation and prevention or management of venous thromboembolism. Consequential bleeding is a concern with all anticoagulants...
March 24, 2017: Hospital Practice (Minneapolis)
https://www.readbyqxmd.com/read/28333829/acute-traumatic-coagulopathy-the-elephant-in-a-room-of-blind-scientists
#3
Michael A Meledeo, Maryanne C Herzig, James A Bynum, Xiaowu Wu, Anand K Ramasubramanian, Daniel N Darlington, Kristin M Reddoch, Andrew P Cap
Acute traumatic coagulopathy (ATC) is the failure of coagulation homeostasis that can rapidly arise following traumatic injury, hemorrhage, and shock; it is associated with higher injury severity, coagulation abnormalities, and increased blood transfusions. ATC has historically been defined by a prolonged prothrombin time (PT), although newer, more informative measurements of hemostatic function have been employed to improve diagnosis and support clinical decision making. The underlying biochemical mechanisms of and best practice therapeutics for ATC remain under active investigation because of its significant correlation to poor outcomes...
March 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28320118/prothrombin-complex-concentrate-administration-for-bleeding-associated-with-non-vitamin-k-antagonist-oral-anticoagulants-the-samurai-nvaf-study
#4
Sohei Yoshimura, Shoichiro Sato, Kenichi Todo, Yasushi Okada, Eisuke Furui, Takayuki Matsuki, Hiroshi Yamagami, Masatoshi Koga, Jun C Takahashi, Kazuyuki Nagatsuka, Shoji Arihiro, Kazunori Toyoda
BACKGROUND: Antidotes appropriate for non-vitamin K antagonist (VKA) oral anticoagulants (NOACs) are not yet in widespread clinical use. Efficacy of prothrombin complex concentrate (PCC) in NOAC-associated bleeding remains unclarified. METHODS: Ten NOAC users (4 women, median 74years old) who developed major bleeding and received PCC were prospectively enrolled. Eight single-center NOAC users (0 women, median 74years old) with intracerebral hemorrhage, who over the same period did not receive PCC, were studied for comparison...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28297120/retraction-number-needed-to-treat-with-4-factor-prothrombin-complex-concentrate-for-urgent-warfarin-reversal-by-andrew-chua-vishal-patel-allison-perrin-lee-stern-jenifer-ehreth-laurel-omert-christopher-hood-julie-farley-michael-mcglynn-and-liping-huang
#5
(no author information available yet)
The above abstract from the THSNA 2016 Summit Abstract Proceedings, first published online in the American Journal of Hematology on 20 July 2016 in Wiley OnlineLibrary (www.onlinelibrary.wiley.com), and in Volume 91, Issue 9, p. E427, has been retracted by agreement between the authors, the journal Editor-in-Chief, Carlo Brugnara, and Wiley Periodicals, Inc. The retraction has been agreed due to concerns from the submitting authors that the abstract was inadvertently submitted prior to receiving approval from all authors and proper review of data analytics, thereby rendering it incomplete...
April 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28294526/phase-1-dose-escalating-study-of-the-safety-pharmacokinetics-and-pharmacodynamics-of-activated-factor-x-i-16l
#6
Dana Parsons-Rich, Fei Hua, Gang Li, Constantino Kantaridis, Debra D Pittman, Steven Arkin
BACKGROUND: FXa(I16L) (PF-05230907) is a zymogen-like variant of activated coagulation factor X (FXa). It exhibits enhanced resistance to inactivation by endogenous inhibitors compared with wild-type FXa and restores hemostatic activity in nonclinical models of various bleeding conditions. OBJECTIVES: To evaluate the safety, pharmacokinetics (PK) and pharmacodynamics (PD) of FXa(I16L) , a phase 1, first-in-human, dose escalation clinical trial in healthy adult volunteers was conducted METHODS: Participants were assigned to 1 of 6 ascending single-dose cohorts (0...
March 14, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28281092/effectiveness-of-prothrombin-complex-concentrate-pcc-in-neonates-and-infants-with-bleeding-or-risk-of-bleeding-a-systematic-review-and-meta-analysis
#7
Linan Zeng, Imti Choonara, Lingli Zhang, Youping Li, Jing Shi
To systematically evaluate the effectiveness of prothrombin complex concentrate (PCC) in neonates and infants, we performed a systematic review and meta-analysis based on current evidence. Quality of studies was assessed by Cochrane Collaboration's risk of bias tool and Newcastle-Ottawa quality assessment scale. For dichotomous data, we obtained the number of events and total number and calculated the relative risk (RR) with 95% confidence intervals (CI). For continuous variables, we obtained mean and standard deviation (SD) values and calculated mean difference (MD) with 95% CI...
March 9, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28243997/safety-and-effectiveness-of-factor-viii-inhibitor-bypassing-activity-feiba-and-fresh-frozen-plasma-in-oral-anticoagulant-associated-intracranial-hemorrhage-a-retrospective-analysis
#8
Ellen B Yin, Benedict Tan, Thuy Nguyen, Miguel Salazar, Kimberly Putney, Pramod Gupta, Jose I Suarez, Eric M Bershad
BACKGROUND: Oral anticoagulant (OAT)-associated intracranial hemorrhage (ICH) is a life-threatening emergency for which prothrombin complex concentrates (PCC) are considered first-line reversal agents. The only approved PCC in the USA for warfarin-associated ICH is non-activated PCC. Little data are available regarding the safety and effectiveness of factor VIII inhibitor bypassing activity (FEIBA) which is an activated prothrombin complex concentrate (aPCC). The aim of this analysis was to assess the safety and effectiveness of FEIBA compared to fresh frozen plasma (FFP) for reversal of OAT-associated ICH...
February 27, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28239301/the-reversal-effect-of-prothrombin-complex-concentrate-pcc-activated-pcc-and-recombinant-activated-factor-vii-against-anticoagulation-of-xa-inhibitor
#9
Nina Haagenrud Schultz, Hoa Thi Tuyet Tran, Stine Bjørnsen, Carola Elisabeth Henriksson, Per Morten Sandset, Pål Andre Holme
BACKGROUND: An increasing number of patients are treated with direct-acting oral anticoagulants (DOACs), but the optimal way to reverse the anticoagulant effect is not known. Specific antidotes are not available and prothrombin complex concentrate (PCC), activated PCC (aPCC) and recombinant factor VIIa (rFVIIa) are variously used as reversal agents in case of a major bleeding. We aimed to determine the most effective haemostatic agent and dose to reverse the effect of rivaroxaban in blood samples from patients taking rivaroxaban for therapeutic reasons...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28223937/orthostatic-challenge-shifts-the-hemostatic-system-of-patients-recovered-from-stroke-toward-hypercoagulability
#10
Gerhard Cvirn, Markus Kneihsl, Christine Rossmann, Margret Paar, Thomas Gattringer, Axel Schlagenhauf, Bettina Leschnik, Martin Koestenberger, Erwin Tafeit, Gilbert Reibnegger, Irhad Trozic, Andreas Rössler, Franz Fazekas, Nandu Goswami
Aims: The objective of our study was to assess the effects of orthostatic challenge on the coagulation system in patients with a history of thromboembolic events and to assess how they compared with age-matched healthy controls. Methods: Twenty-two patients with histories of ischemic stroke and 22 healthy age-matched controls performed a sit-to-stand test. Blood was collected prior to- and at the end of- standing in the upright position for 6 min. Hemostatic profiling was performed by determining thrombelastometry and calibrated automated thrombogram values, indices of thrombin generation, standard coagulation times, markers of endothelial activation, plasma levels of coagulation factors and copeptin, and hematocrit...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28219635/direct-oral-anticoagulant-or-warfarin-related-major-bleeding-characteristics-reversal-strategies-and-outcomes-from-a-multi-center-observational-study
#11
Yan Xu, Sam Schulman, Dar Dowlatshahi, Anne M Holbrook, Christopher S Simpson, Lois E Shepherd, Philip S Wells, Antonio Giulivi, Tara Gomes, Muhammad Mamdani, Wayne Khuu, Eliot Frymire, Ana P Johnson
BACKGROUND: Direct oral anticoagulants (DOACs) have expanded the armamentarium for antithrombotic therapy. While DOAC-related major bleeds were associated with favourable outcomes compared to warfarin in clinical trials, warfarin was reversed in <40% of cases, raising concerns about the generalizability of this finding. METHODS: Consecutive patients ≥66 years presenting to five tertiary care hospitals across three cities in Ontario, Canada with diagnoses that included hemorrhage from October 2010 to March 2015...
February 17, 2017: Chest
https://www.readbyqxmd.com/read/28197273/clinical-and-surgical-strategies-for-avoiding-or-reducing-allogeneic-blood-transfusions
#12
Antonio Alceu Dos Santos, Jose Francisco Baumgratz, Jose Henrique Andrade Vila, Rodrigo Moreira Castro, Rodrigo Freire Bezerra
Blood transfusions have still been used as a standard therapy to treat severe anemia. Current evidences point to both excessive allogeneic blood consumption and decreased donations, which result in reduced stocks in blood banks. Several studies have increasingly suggested a more restrictive transfusion practice for blood products. Currently, a number of autologous blood conservation protocols in surgeries have been noted. We report a case of severe anemia with 2.9 g/dL hemoglobin, which was successfully handled without using the standard therapy to treat anemia with hemotransfusions...
April 2016: Cardiology Research
https://www.readbyqxmd.com/read/28191640/pathogen-safety-of-a-pasteurized-four-factor-human-prothrombin-complex-concentrate-preparation-using-serial-20n-virus-filtration
#13
Thomas Nowak, Birgit Popp, Albrecht Gröner, Wolfram Schäfer, Uwe Kalina, Karlheinz Enssle, Nathan J Roth
BACKGROUND: Beriplex P/N/Kcentra/Coaplex/Confidex is a four-factor human prothrombin complex concentrate (PCC). Here, we describe the pathogen safety profile and biochemical characteristics of an improved manufacturing process that further enhances the virus safety of Beriplex P/N. STUDY DESIGN AND METHODS: Samples of product intermediates were spiked with test viruses, and prions were evaluated under routine production and robustness conditions of the scale-down version of the commercial manufacturing process for their capacity to inactivate or remove pathogens...
February 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28161220/comparison-of-the-safety-and-efficacy-between-3-factor-and-4-factor-prothrombin-complex-concentrates-for-the-reversal-of-warfarin
#14
Julia E Kuroski, Sarah Young
PURPOSE: Prior to the Food and Drug Administration approval of 4-factor prothrombin complex concentrate (4F-PCC), only 3-factor PCC (3F-PCC) products were available in the US. There is limited data comparing the safety and efficacy of 3F-PCC versus 4F-PCC. The purpose of our study, therefore, was to compare the safety and efficacy profiles of 3F-PCC versus 4F-PCC for the emergent reversal of warfarin. METHODS: A single-center, retrospective cohort analysis compared patients who received 3F-PCC or 4F-PCC for the emergent reversal of warfarin due to life-threating bleeding from January 2013 to September 2015...
January 24, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28151386/clinical-experience-reversing-factor-xa-inhibitors-with-four-factor-prothrombin-complex-concentrate-in-a-community-hospital
#15
Katie B Tellor, Naomi S Barasch, Brian M Lee
No abstract text is available yet for this article.
January 24, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28150393/acquired-hemophilia-a-manifesting-as-plasma-transfusion-uncontrolled-severe-bleeding-2-weeks-after-chorioamnionitis-induced-abortion
#16
Ayumi Matsuoka, Hiromasa Sasaki, Chiharu Sugimori, Shinya Hirabuki, Tsutomu Hoshiba, Hiroshi Fujiwara
Acquired hemophilia A (AHA) is a serious and rare complication of pregnancy, caused by autoantibodies to coagulation factor VIII after delivery. We here report the case of a 36-year-old primigravida woman who developed AHA following chorioamnionitis-caused miscarriage in the second trimester. Thirteen days after abortion, sudden, massive vaginal bleeding occurred with marked prolongation of activated partial thromboplastin time (APTT) in the absence of other abnormal coagulation data. Sequential transfusion of fresh frozen plasma did not achieve normalization of APTT...
February 2, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28125808/coagulation-management-in-jersey-calves-an-ex-vivo-study
#17
Sabine Gröning, Judith Maas, Svenja van Geul, Rolf Rossaint, Ulrich Steinseifer, Oliver Grottke
OBJECTIVE: Jersey calves are frequently used as an experimental animal model for in vivo testing of cardiac assist devices or orthopedic implants. In this ex vivo study, we analyzed the coagulation system of the Jersey calves and the potential of human-based coagulation management to circumvent perioperative bleeding complications during surgery. Experimental Procedure: Blood from 7 Jersey calves was subjected to standard laboratory tests and thromboelastometry analysis. An ex vivo model of dilutional coagulopathy was used to study the effects of fibrinogen or prothrombin complex concentrate supplementation...
January 27, 2017: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/28124406/recombinant-porcine-factor-viii-for-high-risk-surgery-in-paediatric-congenital-haemophilia-a-with-high-titre-inhibitor
#18
S E Croteau, Y L Abajas, A S Wolberg, B I Nielsen, G R Marx, C W Baird, E J Neufeld, P E Monahan
INTRODUCTION: High-titre factor VIII (FVIII) inhibitors complicate peri-operative haemostasis. Recombinant porcine FVIII (r-pFVIII) may provide an alternative haemostatic agent for high-risk procedures and allow FVIII activity monitoring. AIM: Devise an effective haemostatic plan for repair of a progressively symptomatic aortic coarctation in a 5-year-old male with immune tolerance induction (ITI) refractory high-titre FVIII inhibitors. METHODS: Preprocedure human FVIII inhibitor titre was 58 Bethesda Units mL(-1) (BU) and cross-reacted to neutralize porcine FVIII at 30 BU...
March 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28079537/successful-total-hip-replacement-with-sequential-administration-of-bypassing-agents-in-an-adolescent-boy-with-hemophilia-a-and-high-inhibitor-titers
#19
Zühre Kaya, Özlem Orhan, Sacit Turanl, İdil Yenicesu, Ülker Koçak, Türkiz Gürsel
There are only a few reports of total hip replacement in patients with hemophilia A and inhibitors. We performed total hip replacement in an 18-year-old adolescent boy who had high inhibitor titers since infancy. Recombinant factor VIIa (NovoSeven) was used as a bypass agent during the surgery. There was no excessive introperative bleeding; however, postsurgical bleeding occurred and was controlled by sequential administration of recombinant factor VIIa and activated prothrombin complex concentrate (FEIBA)...
January 12, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28060970/-evaluation-of-oral-anticoagulation-with-rivaroxaban-in-patients-with-new-onset-non-valvular-atrial-fibrillation
#20
Víctor Neira, Ramón Corbalán, Jaime Pereira, Olga Panes, Bernardita Garayar, Andrés Aizman, Silvana Llevaneras, Luis Villarroel
BACKGROUND: Atrial fibrillation (AF) generates a hypercoagulable state with an increased thrombin generation and raised levels of thrombin-antithrombin complexes, which results in a high risk of stroke and thromboembolism. AIM: To evaluate the anticoagulant effect of rivaroxaban by anti-Xa factor activity and its correlation with thrombin-antithrombin complexes, thrombin generation and prothrombin time in patients newly diagnosed with non-valvular AF. PATIENTS AND METHODS: Prospective study in patients with indication of anticoagulation...
September 2016: Revista Médica de Chile
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